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fs-util: introduce fchmod_opath()

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fchmod(2) still doesn't take file descriptors opened with O_PATH.
This commit is contained in:
Franck Bui
2018-04-24 11:57:48 +02:00
parent 7b887f2284
commit 4dfaa528d4
3 changed files with 18 additions and 8 deletions
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src/tmpfiles/tmpfiles.c
+2 -8
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@@ -808,15 +808,9 @@ static int fd_set_perms(Item *i, int fd, const struct stat *st) {
if (m == (st->st_mode & 07777))
log_debug("\"%s\" has correct mode %o already.", path, st->st_mode);
else {
char procfs_path[STRLEN("/proc/self/fd/") + DECIMAL_STR_MAX(int)];
log_debug("Changing \"%s\" to mode %o.", path, m);
/* fchmodat() still doesn't have AT_EMPTY_PATH flag. */
xsprintf(procfs_path, "/proc/self/fd/%i", fd);
if (chmod(procfs_path, m) < 0)
return log_error_errno(errno, "chmod() of %s via %s failed: %m", path, procfs_path);
if (fchmod_opath(fd, m) < 0)
return log_error_errno(errno, "fchmod() of %s failed: %m", path);
}
}
}